Home / 114,778.64-158,351.40-84,635.96

Finding the Fourth Proportional to 114,778.64, 158,351.40 and 84,635.96

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Solution

The fourth proportional to 114,778.64, 158,351.40 and 84,635.96 is: 116,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,778.64 : 158,351.40 = 84,635.96 : x
  2. Step 2: Convert to fraction form
    114,778.64/158,351.40 = 84,635.96/x
  3. Step 3: Cross multiply
    114,778.64x = 158,351.40 × 84,635.96
  4. Step 4: Simplify right side
    114,778.64x = 13,402,222,756.34
  5. Step 5: Solve for x
    x = 13,402,222,756.34/114,778.64
  6. Step 6: Final answer
    x = 116,765.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.